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WCAG: 1.3.1: <li> elements must be contained in a <ul> or <ol>
All list items (
li) must be contained within
For a list to be valid, it must have both parent and child elements. Parent elements can either be a set of
ultags or a set of
oltags. Child elements must be declared inside of these tags using the
Screen readers notify users when they come to a list, and tell them how many items are in a list. Announcing the number of items in a list and the current list item helps listeners know what they are listening to, and what to expect as they listen to it.
If you don't mark up a list using proper semantic markup in a hierarchy, list items cannot inform the listener that they are listening to a list when no parent is indicating the presence of a list and the type of list.